   \textit{ Panel A: Production function }  & \multicolumn{2}{c}{log(Output)} & \multicolumn{2}{c}{log(Output)} \\    
                    &\multicolumn{1}{c}{Est.}&\multicolumn{1}{c}{S.E.}&\multicolumn{1}{c}{Est.}&\multicolumn{1}{c}{S.E.}\\
 \hline  &&&\\   
log(Labor)          &       0.699&       0.338&       1.475&       0.211\\
\addlinespace
log(Materials)      &       0.222&       0.141&       0.586&       0.119\\
\addlinespace
log(Capital)        &       0.153&       0.074&       0.153&       0.038\\
\addlinespace
Serial correlation  &       0.866&       0.198&       1.000&       0.023\\
 &&&&\\ Method &        \multicolumn{2}{c}{GMM} &       \multicolumn{2}{c}{GMM}  \\  Agricultural wage instrument &      \multicolumn{2}{c}{Yes} &       \multicolumn{2}{c}{No}   \\  Observations &     \multicolumn{2}{c}{} &  \multicolumn{2}{c}{} \\ &&&&\\  \hline 
   \textit{Panel B: Markups/ markdowns  }  & \multicolumn{2}{c}{ } & \multicolumn{2}{c}{ } \\    
                    &\multicolumn{1}{c}{Est.}&\multicolumn{1}{c}{S.E.}&\multicolumn{1}{c}{Est.}&\multicolumn{1}{c}{S.E.}\\
 \hline  &&&\\   
Average markdown    &       1.807&       0.545&       1.446&       0.559\\
\addlinespace
Average markup      &       0.774&       0.539&       2.041&       0.516\\
 &&&&\\ Method &        \multicolumn{2}{c}{GMM} &       \multicolumn{2}{c}{GMM}  \\  Agricultural wage instrument &      \multicolumn{2}{c}{Yes} &       \multicolumn{2}{c}{No}   \\  Observations &     \multicolumn{2}{c}{} &  \multicolumn{2}{c}{} \\ &&&&\\  \hline 
